Shipments of limestone from U.S. quarries on the Great Lakes decreased 8.1 percent from May of last year to 2.7 million tons. May’s loadings were also below the month’s 5-year average by 5.4 percent.Year-to-date, the Lakes U.S. limestone trade totals 3.9 million tons, a decrease of 14.9 percent compared to 2025 and 15.7 percent below the 5-year average.
U.S. shipments of limestone on the Great Lakes increased 4.5 percent from June 2025 to 3 million tons. This June’s U.S. loadings were also above the month’s 5-year average by 6.9 percent.Year-to-date, the Lakes U.S. limestone trade stands at nearly 7 million tons…
Shipments of limestone across the Great Lakes held relatively steady in July 2025, totaling 3.53 million tons — a fractional drop of less than 1% compared to the same month last year, according to the Lake Carriers’ Association (LCA). Despite the minimal year-over-year change…
